package com.zqx.threadlocaldemo.filters;

import com.zqx.threadlocaldemo.threadLocal.RequestHolder;
import lombok.extern.slf4j.Slf4j;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;

/**
 * @description: 自定义filter
 */
@Slf4j
public class HttpFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest)servletRequest;
        //获取用户信息
        //User user=request.getSession().getAttribute("user");
        log.info("do filter,{}",Thread.currentThread().getId(),request.getServletPath());
        RequestHolder.add(Thread.currentThread().getId());
        filterChain.doFilter(request,servletResponse);


    }

    @Override
    public void destroy() {

    }
}
